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Finding the Fourth Proportional to 541,973.40, 811,404.90 and 526,421.40

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Solution

The fourth proportional to 541,973.40, 811,404.90 and 526,421.40 is: 788,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,973.40 : 811,404.90 = 526,421.40 : x
  2. Step 2: Convert to fraction form
    541,973.40/811,404.90 = 526,421.40/x
  3. Step 3: Cross multiply
    541,973.40x = 811,404.90 × 526,421.40
  4. Step 4: Simplify right side
    541,973.40x = 427,140,903,424.86
  5. Step 5: Solve for x
    x = 427,140,903,424.86/541,973.40
  6. Step 6: Final answer
    x = 788,121.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.